Home / 16,881.65-23,288.85-10,915.22

Finding the Fourth Proportional to 16,881.65, 23,288.85 and 10,915.22

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Solution

The fourth proportional to 16,881.65, 23,288.85 and 10,915.22 is: 15,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.65 : 23,288.85 = 10,915.22 : x
  2. Step 2: Convert to fraction form
    16,881.65/23,288.85 = 10,915.22/x
  3. Step 3: Cross multiply
    16,881.65x = 23,288.85 × 10,915.22
  4. Step 4: Simplify right side
    16,881.65x = 254,202,979.52
  5. Step 5: Solve for x
    x = 254,202,979.52/16,881.65
  6. Step 6: Final answer
    x = 15,057.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.